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2-Butenoic acid, 2-methyl-

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Phase change data

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director

Quantity Value Units Method Reference Comment
Tfus343.KN/AKern, Shriner, et al., 1925Uncertainty assigned by TRC = 2. K

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Gas phase ion energetics data

Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV) Method Reference Comment
9.50PEHolmes, Terlouw, et al., 1979LLK

Mass spectrum (electron ionization)

Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 19830

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Gas Chromatography

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-5921.Beal and Mottram, 199430. m/0.32 mm/1.0 «mu»m, He; Program: 5 0C (0.5 min) -> (1 min) 60 0C (5 min) 4 0C/min -> 250 0C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryRSL-200934.Ngassoum, Jirovetz, et al., 200130. m/0.32 mm/0.25 «mu»m, H2, 40. C @ 5. min, 6. K/min, 280. C @ 5. min

Normal alkane RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryCP Wax 52 CB1851.Birtic, Ginies, et al., 200930. m/0.32 mm/0.50 «mu»m, Helium, 40. C @ 2. min, 4. K/min, 230. C @ 15. min
CapillaryHP-Innowax1835.Wijaya, Ulrich, et al., 200515. m/0.25 mm/1. «mu»m, 45. C @ 5. min, 10. K/min, 210. C @ 5. min

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryInnowax FSC1808.Bardakci, Demirci, et al., 201260. m/0.25 mm/0.25 «mu»m, Helium; Program: 60 0C (10 min) 4 0C/min -> 220 0C 1 0C/min -> 240 0C
CapillaryHP-Innowax FSC1808.Viljoen, Subramoney, et al., 200560. m/0.25 mm/0.25 «mu»m, He; Program: 60C(10min) => 4C/min => 220C(10min) => 1C/min => 240C

References

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Kern, Shriner, et al., 1925
Kern, J.W.; Shriner, R.L.; Adams, R., Platinum and Palladium Oxides as Catalysts in the Reduction of Organic Compounds IX. The Reduction of Olefins, J. Am. Chem. Soc., 1925, 47, 1147. [all data]

Holmes, Terlouw, et al., 1979
Holmes, J.L.; Terlouw, J.K.; Vijfhuizen, P.C.; A'Campo, C., Metastable ion studies XII-Molecular and fragment ion structures for isomeric C4H6O2 acids, Org. Mass Spectrom., 1979, 14, 204. [all data]

Beal and Mottram, 1994
Beal, A.D.; Mottram, D.S., Compounds contributing to the characteristic aroma of malted barley, J. Agric. Food Chem., 1994, 42, 12, 2880-2884, https://doi.org/10.1021/jf00048a043 . [all data]

Ngassoum, Jirovetz, et al., 2001
Ngassoum, M.B.; Jirovetz, L.; Buchbauer, G., SPME/GC/MS analysis of headspace aroma compounds of the Cameroonian fruit Tetrapleura tetraptera (Thonn.) Taub., Eur. Food Res. Technol., 2001, 213, 1, 18-21, https://doi.org/10.1007/s002170100330 . [all data]

Birtic, Ginies, et al., 2009
Birtic, S.; Ginies, C.; Causse, M.; Renard, C.M.G.C.; Page, D., Changes in volatiles and glycosides during fruit maturartion of two contrasted tomato (Solanum lycopersicum) lines, J. Agric. Food Chem., 2009, 57, 2, 591-598, https://doi.org/10.1021/jf8023062 . [all data]

Wijaya, Ulrich, et al., 2005
Wijaya, C.H.; Ulrich, D.; Lestari, R.; Schippel, K.; Ebert, G., Identification of potent odorants in different cultivars of snake fruit [Salacca zalacca (Gaert.) Voss] using gas chromatography-olfactometry, J. Agric. Food Chem., 2005, 53, 5, 1637-1641, https://doi.org/10.1021/jf048950h . [all data]

Bardakci, Demirci, et al., 2012
Bardakci, H.; Demirci, B.; Yesilada, E.; Kirmizibekmez, H.; Naser, K.H.C., Chemical composition of the essential oil of the subterranean parts of Valeriana alliariifolia, Rec. Nat. Prod., 2012, 6, 1, 89-92. [all data]

Viljoen, Subramoney, et al., 2005
Viljoen, A.M.; Subramoney, S.; van Vuuren, S.F.; Baser, K.H.C.; Demirci, B., The composition, geographical variation and antimicrobial activity of Lippia javanica (Verbenaceae) leaf essential oils, J. Ethnopharmacol., 2005, 96, 1-2, 271-277, https://doi.org/10.1016/j.jep.2004.09.017 . [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, References